@article{parente jr_nogueira_meireles neto_moreira_2014,  title={Material and geometric nonlinear analysis of reinforced concrete frames},  volume={7},  ISSN={1983-4195},  url={https://doi.org/10.1590/S1983-41952014000500009},  DOI={10.1590/S1983-41952014000500009},  number={5},  journal={Revista IBRACON de Estruturas e Materiais},  publisher={IBRACON - Instituto Brasileiro do Concreto},  author={Parente Jr, E. and Nogueira, G. V. and Meireles Neto, M. and Moreira, L. S.},  year={2014},  month={Sep},  pages={879–904} }